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HiFive Unmatched + OpenOCD configuration (four U74 cores only; no flash configured)
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| adapter speed 10000 | |
| adapter driver ftdi | |
| ftdi_device_desc "Dual RS232-HS" | |
| ftdi_vid_pid 0x0403 0x6010 | |
| ftdi_layout_init 0x0008 0x001b | |
| ftdi_layout_signal nSRST -oe 0x0020 -data 0x0020 | |
| set _CHIPNAME riscv | |
| transport select jtag | |
| jtag newtap $_CHIPNAME cpu -irlen 5 | |
| # Target: U74 (coreid 1-4) | |
| target create $_CHIPNAME.cpu1 riscv -chain-position $_CHIPNAME.cpu -coreid 1 -rtos hwthread | |
| target create $_CHIPNAME.cpu2 riscv -chain-position $_CHIPNAME.cpu -coreid 2 | |
| target create $_CHIPNAME.cpu3 riscv -chain-position $_CHIPNAME.cpu -coreid 3 | |
| target create $_CHIPNAME.cpu4 riscv -chain-position $_CHIPNAME.cpu -coreid 4 | |
| target smp $_CHIPNAME.cpu1 $_CHIPNAME.cpu2 $_CHIPNAME.cpu3 $_CHIPNAME.cpu4 | |
| #$_CHIPNAME.cpu1 configure -work-area-phys 0x80190000 -work-area-size 0x10000 -work-area-backup 1 | |
| #$_CHIPNAME.cpu2 configure -work-area-phys 0x801a0000 -work-area-size 0x10000 -work-area-backup 1 | |
| #$_CHIPNAME.cpu3 configure -work-area-phys 0x801b0000 -work-area-size 0x10000 -work-area-backup 1 | |
| #$_CHIPNAME.cpu4 configure -work-area-phys 0x801c0000 -work-area-size 0x10000 -work-area-backup 1 | |
| init | |
| halt |
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